I saw a clip this morning by Trump from about 15 months ago where he actually says there is only a need for less than 1000 miles of the border to be built because of the huge natural barriers. Of course then, there are only about 300 miles without manmade barriers. I suppose that would cost about 5 billion. In 2006 Hillary, Bush & numerous other Dems voted to construct a wall of some sort. As Trump flies by the seat of his pants he creates too many varying messages on the same issues & loses credibility to say the least.